Patent · US Active

Method for determining the inset of a progressive addition lens

US8632177B2 · kind B2 · utility

0Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 22, 2009
Grant dateJan 21, 2014
Priority date
Expiry dateAug 30, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02C7/027
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for determining the value of the inset of a progressive addition lens according to a wearer comprising the steps of: providing convergence data, determining from the convergence data the inset of the progressive addition lens considering at least the convergence data and the prismatic effect of the progressive addition lens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.